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21700 Batteries

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Browse a wide range of 18650 batteries at IMR Batteries. Enjoy reliable performance and trusted quality for all your power needs.

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XTAR

Shop by Type
Flat Top (~65mm)
Button-Top Unprotected (~67mm)
Button-Top Protected (~69mm)

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Flashlight Batteries
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SALE
18650 Batteries
Shop by Brand
BAK
Efest
EVE
Hohm Tech
IMREN
Lishen
Molicel
Sony | Murata
MXJO
Nitecore
Panasonic
Samsung
Sanyo
Sinowatt
XTAR
Shop by Type
Flat Top (~65mm)
Button-Top Unprotected (~67mm)
Button-Top Protected (~69mm)
Recommendations
High Performance
Pack Build - High Capacity
Flashlight Batteries
Video Doorbell
Browse a wide range of 18650 batteries at IMR Batteries. Enjoy reliable performance and trusted quality for all your power needs.
21700 Batteries
More Sizes
LiFePO4
Battery Chargers
Accessories
Battery Terminal Insulators
Cases
18650 Battery Cases
20700 & 21700 Battery Cases
26650 Battery Cases
Other Size Cases
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Fish Paper
Kapton Tape
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18650 Wraps
20700 Wraps
21700 Wraps
26650 Wraps

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In stock (12)
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3D printer tape (4)
18650 nickel strip (8)
21700 nickel strip (8)
adhesive polyimide tape (4)
anti-static kapton tape (4)
battery tab strip (8)
electrical insulation tape (4)
electronics repair tape (4)
heat resistant tape (4)
high temperature insulation tape (4)
kapton film tape (4)
kapton tape (4)
lithium battery nickel strip (8)
low resistance nickel (8)
Ni200 strip (8)
nickel battery strip (8)
nickel connector strip (8)
nickel strip (8)
nickel strip for spot welding (8)
nickel strip roll (8)
nickel welding strip (8)
PCB insulation tape (4)
polyimide tape (4)
pure nickel strip (8)
soldering tape (4)
thermal insulation tape (4)

Battery Pack Building Supplies

12 products

Showing 1 - 12 of 12 products

Shop quality battery pack building supplies including spacers, insulators, nickel strips, BMS units, and tools for DIY, EV, solar, and power storage builds.

Showing 1 - 12 of 12 products

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NICKEL-1P

Pure Nickel Strip Roll – 0.15mm Thick x 6mm Wide, 5m (16.4 Feet)

Sale price$8.99

In stock

KOPTON-10

KOPTON-10_2

Polyimide Electrical Tape – 10mm x 30M (Kapton Tape)

Sale price$2.99

In stock

NICKEL-21700-3P23

NICKEL-21700-3P23_2

21700 3P Pure Nickel Strip Roll – 0.15mm x 23mm, 5m (16.4 Feet)

Sale price$54.99

In stock

NICKEL-21700-3P21

NICKEL-21700-3P21_2

21700 3P Pure Nickel Strip Roll – 0.15mm x 21mm, 5m (16.4 Feet)

Sale price$54.99

In stock

NICKEL-21700-2P23

21700 2P Pure Nickel Strip Roll – 0.15mm x 23mm, 5m (16.4 Feet)

Sale price$44.99

In stock

NICKEL-21700-2P21

21700 2P Pure Nickel Strip Roll – 0.15mm x 21.5mm, 5m (16.4 Feet)

Sale price$44.99

In stock

NICKEL-18650-3P20

NICKEL-18650-3P20_2

18650 3P Pure Nickel Strip Roll – 0.15mm x 20.2mm, 5m (16.4 Feet)

Sale price$49.99

In stock

NICKEL-18650-3P18

NICKEL-18650-3P18_2

18650 3P Pure Nickel Strip Roll – 0.15mm x 18.5mm, 5m (16.4 Feet)

Sale price$49.99

In stock

NICKEL-18650-2P20

18650 2P Pure Nickel Strip Roll – 0.15mm x 20.2mm, 5m (16.4 Feet)

Sale price$39.99

In stock

NICKEL-18650-2P18

18650 2P Pure Nickel Strip Roll – 0.15mm x 18.5mm, 5m (16.4 Feet)

Sale price$39.99

In stock

KOPTON-50

KOPTON-50_2

Polyimide Electrical Tape – 50mm x 30M (Kapton Tape)

Sale price$8.99

In stock

KOPTON-25

KOPTON-25_2

Polyimide Electrical Tape – 20mm x 30M (Kapton Tape)

Sale price$6.99

In stock

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Customer Support

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Free Battery Cases
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Filters

In stock (12)
Out of stock (0)

$

-

$

3D printer tape (4)
18650 nickel strip (8)
21700 nickel strip (8)
adhesive polyimide tape (4)
anti-static kapton tape (4)
battery tab strip (8)
electrical insulation tape (4)
electronics repair tape (4)
heat resistant tape (4)
high temperature insulation tape (4)
kapton film tape (4)
kapton tape (4)
lithium battery nickel strip (8)
low resistance nickel (8)
Ni200 strip (8)
nickel battery strip (8)
nickel connector strip (8)
nickel strip (8)
nickel strip for spot welding (8)
nickel strip roll (8)
nickel welding strip (8)
PCB insulation tape (4)
polyimide tape (4)
pure nickel strip (8)
soldering tape (4)
thermal insulation tape (4)

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